JP2010279212A - Distribution board - Google Patents

Distribution board Download PDF

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Publication number
JP2010279212A
JP2010279212A JP2009131753A JP2009131753A JP2010279212A JP 2010279212 A JP2010279212 A JP 2010279212A JP 2009131753 A JP2009131753 A JP 2009131753A JP 2009131753 A JP2009131753 A JP 2009131753A JP 2010279212 A JP2010279212 A JP 2010279212A
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carriage
traveling
switchboard
interlock
floor
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JP5411579B2 (en
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Kazuhisa Takeyasu
和久 武安
Shunichiro Chiwa
俊一郎 千輪
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Mitsubishi Electric Corp
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Mitsubishi Electric Corp
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a distribution board for reducing the number of components and facilitating an assembling operation. <P>SOLUTION: The distribution board has a drawer type carriage 3 on which a switching device like a vacuum breaker or a combination switch, for example, is mounted, and a floor slab 5 on which the carriage travels, in a housing 2. In the floor slab, a traveling part 51 allowing the carriage to travel and a latching part 42 composing an interlock mechanism 4 for locking the carriage prepared at a position protruding from the traveling part at a predetermined position are integrally formed from one plate material. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

この発明は、台車に開閉機器が搭載された引出形機器とその台車を固定するインターロック装置を有する配電盤に関するものである。   The present invention relates to a draw-out type device in which an opening / closing device is mounted on a carriage and a switchboard having an interlock device for fixing the carriage.

引出形機器では、事故防止や安全の確保のためインターロック装置が設けられる。従来の技術として、開閉機器が搭載された台車が走行するクレードルに支え部材を介してロック板を取り付け、そのロック板にインターロックピン落とし穴である2つのロック穴を設けたものが示されている(例えば特許文献1参照)。なお、インターロックのためのインターロックピンは、台車を電気室などの床に置いて移動させる場合に、円滑に動かせるようにするために、台車の最下部、即ち車輪が接する床面の位置より上側に配置される。一方、配電盤内でインターロックピンが接続位置のロック穴や引出し位置のロック穴に嵌って固定された状態にするためには、ロック穴の高さ位置が台車底部分よりは低く、車輪が接する床面の位置よりは高い位置が望ましい。ロック板は、台車の車輪を受ける床面より上方で、適宜の場所にロック穴を設ける必要上、床面から突出するように設けられる。   In the drawer type equipment, an interlock device is provided to prevent accidents and ensure safety. As a conventional technique, a lock plate is attached via a support member to a cradle on which a carriage on which an opening / closing device is mounted travels, and two lock holes that are interlock pin dropping holes are provided on the lock plate. (For example, refer to Patent Document 1). The interlock pin for the interlock is located at the bottom of the carriage, that is, from the position of the floor where the wheels are in contact, so that the carriage can move smoothly when placed on the floor such as an electric room. Arranged on the upper side. On the other hand, in order to make the interlock pin fit into the lock hole at the connection position or the lock hole at the drawer position in the switchboard, the height of the lock hole is lower than the bottom part of the carriage, and the wheels are in contact with each other. A position higher than the floor surface is desirable. The lock plate is provided so as to protrude from the floor surface because it is necessary to provide a lock hole at an appropriate location above the floor surface that receives the wheels of the carriage.

特開平10−108324号公報(第3頁、図1)JP-A-10-108324 (page 3, FIG. 1)

上記のような従来技術では、ロック板を支え部材を介してクレードルに取り付けるようにしているため、部品の点数が増え、取付作業も必要になるという課題があった。   In the prior art as described above, since the lock plate is attached to the cradle via the support member, there is a problem that the number of parts increases and attachment work is required.

この発明は上記のような従来技術の課題を解消するためになされたもので、部品点数を削減することができ、しかも組立作業を容易にできる配電盤を提供することを目的としている。   The present invention has been made to solve the above-described problems of the prior art, and an object of the present invention is to provide a switchboard that can reduce the number of parts and that can be easily assembled.

この発明に係る配電盤は、筐体の内部に、開閉機器が搭載された台車と、この台車が走行する床板を備えている。そして、上記床板は、上記台車の走行部と、この走行部から突出された位置に設けられた上記台車を固定するためのインターロック機構を構成する係止部とが一体に形成されてなるものである。   The switchboard according to the present invention includes a carriage on which an opening / closing device is mounted, and a floor board on which the carriage travels, inside the casing. The floor board is formed by integrally forming a traveling portion of the carriage and a locking portion constituting an interlock mechanism for fixing the carriage provided at a position protruding from the traveling portion. It is.

この発明によれば、台車の走行部と、インターロック機構を構成する係止部とが一体に形成されていることにより、部品点数を減らすことが可能となる。しかも、組立の工数が減り、製造コストを削減することができる。   According to the present invention, since the traveling portion of the carriage and the locking portion constituting the interlock mechanism are integrally formed, the number of parts can be reduced. In addition, the number of assembling steps can be reduced, and the manufacturing cost can be reduced.

この発明の実施の形態1に係る配電盤の要部を概念的に示す構成図。The block diagram which shows notionally the principal part of the switchboard which concerns on Embodiment 1 of this invention. 図1に示された開閉機器が搭載された引出機器を概念的に示す拡大図。The enlarged view which shows notionally the drawer | drawing-out apparatus by which the opening / closing apparatus shown by FIG. 1 was mounted. 図1に示された台車を受ける床板を示す斜視図。The perspective view which shows the floor board which receives the trolley | bogie shown by FIG. この発明の実施の形態2に係る配電盤の台車を受ける床板を示す斜視図。The perspective view which shows the floor board which receives the trolley | bogie of the switchboard which concerns on Embodiment 2 of this invention.

実施の形態1.
以下、この発明の実施の形態1による配電盤について図1〜図3を参照して説明する。図において、配電盤1を構成する筐体2の内部は、仕切り壁21により母線室22と遮断器室23に区分されている。遮断器室23は上下に複数(この例では3室)に区分されており、区分された遮断器室23A、23B、23Cには、例えば真空遮断器やコンビネーションスイッチなどの開閉機器(図示省略)が搭載された引出形の台車3がそれぞれ設置される。台車3にはインターロック機構4を構成するインターロックピン41が設けられている。インターロックピン41は台車3に突設された保持部材43に上下動可能に保持され、図示省略している操作レバーにより上方または下方に移動される。
Embodiment 1 FIG.
Hereinafter, a switchboard according to Embodiment 1 of the present invention will be described with reference to FIGS. In the figure, the inside of the housing 2 constituting the switchboard 1 is divided into a busbar chamber 22 and a circuit breaker chamber 23 by a partition wall 21. The circuit breaker chamber 23 is divided into a plurality of upper and lower parts (in this example, three rooms). The divided circuit breaker chambers 23A, 23B, and 23C include switching devices (not shown) such as vacuum circuit breakers and combination switches. Each of the drawer-type trolleys 3 mounted with is installed. The cart 3 is provided with an interlock pin 41 that constitutes the interlock mechanism 4. The interlock pin 41 is held by a holding member 43 protruding from the carriage 3 so as to be movable up and down, and is moved upward or downward by an operating lever (not shown).

そして、遮断器室23A〜23Cの底部には、図2、図3に示すように台車3の車輪31が走行する走行部51と、この走行部51から上方向に突出された位置に設けられたインターロック機構4の係止部42を構成する凸部52とが板材から一体に折曲形成されてなる床板5が設けられている。床板5は台車3の走行方向から見て、走行部51が左側部及び右側部に対称的に形成され、その左側部及び右側部の間の中央部に略コ字形状に突出形成された凸部52が設けられている。そして、走行部51の左端部及び右端部には、台車3の車輪31をガイドする断面L字形の台車ガイド部材6がネジ等の固定手段7により床板5に左右対称的に固定されている。   And in the bottom part of the circuit breaker chambers 23A-23C, as shown in FIG. 2, FIG. 3, it is provided in the position which the wheel 31 of the trolley | bogie 3 travels, and the position protruded upward from this traveling part 51. Further, a floor plate 5 is provided in which a convex portion 52 that constitutes the locking portion 42 of the interlock mechanism 4 is integrally bent from a plate material. As seen from the traveling direction of the carriage 3, the floor plate 5 has a traveling portion 51 formed symmetrically on the left side and the right side, and a convex portion formed in a substantially U-shape projecting from the center between the left side and the right side. A part 52 is provided. A carriage guide member 6 having an L-shaped cross section for guiding the wheels 31 of the carriage 3 is fixed to the floor plate 5 symmetrically on the left and right ends of the traveling part 51 by fixing means 7 such as screws.

係止部42は、凸部52と、その凸部52の上部所定位置に設けられたインターロックピン41を係止するインターロックピン41の落し穴である2つの貫通孔42a、42bから構成されている。中央部寄りの貫通孔42aは台車3を図1の右方向に移動し、図示省略している回路が接続された接続位置で台車3を固定するときに用い、貫通孔42bは台車3を図1の左方向に移動し、回路から切り離した位置で台車3を固定するときに用いる。なお、筐体2の図1の左端部には、何れも図示省略しているヒンジによって開閉可能に支持された扉が設けられている。配電盤1を構成するその他の部分、搭載機器、装置類等は、例えば従来の技術、公知のものを適宜選択して設備することができる部分であるので、図示及び説明を省略している。   The locking portion 42 is composed of a convex portion 52 and two through holes 42a and 42b that are pits of the interlock pin 41 that locks the interlock pin 41 provided at a predetermined position above the convex portion 52. Yes. The through hole 42a near the center is used to move the carriage 3 to the right in FIG. 1 and fix the carriage 3 at a connection position where a circuit (not shown) is connected, and the through hole 42b shows the carriage 3 in the figure. 1 is used when the carriage 3 is fixed at a position separated from the circuit. Note that a door that is opened and closed by a hinge (not shown) is provided at the left end of the housing 2 in FIG. The other parts, the mounted devices, the devices, and the like constituting the switchboard 1 are parts that can be appropriately selected and installed with, for example, conventional techniques and known ones, and thus illustration and description thereof are omitted.

次に、上記のように構成された実施の形態1の動作について組立を中心に説明する。床板5は、例えば一般的な鋼板などからプレスにより図3の走行部51、凸部52、及び貫通孔42a、42bが設けられた形状に成形される。台車ガイド部材6は、例えば既製のアングル材が用いられるが、プレスによって形成しても良い。床板5と台車ガイド部材6に固定手段7を構成する例えばネジ穴加工等を行った後、図3に示すように組み立て、図1の遮断器室23A、23B、23Cの底部に固定することで、台車3を搭載する準備が完了する。その後、配電盤1を構成する他の各種機器類等の部材を組み付ける一方、台車3を搭載することで組み立てが完了する。台車3は、通常の使用状態では図1の位置にあり、インターロックピン41は貫通孔42aに対してロックされ、接続位置で固定される。メインテナンス等で台車3を図1の左方に引き出したときはインターロックピン41を貫通孔42bに係合させることでロックされ、引出位置で固定される。   Next, the operation of the first embodiment configured as described above will be described focusing on assembly. The floor board 5 is formed into a shape provided with the traveling part 51, the convex part 52, and the through holes 42a and 42b in FIG. The cart guide member 6 is made of, for example, a ready-made angle material, but may be formed by pressing. After, for example, screw hole machining or the like constituting the fixing means 7 is performed on the floor plate 5 and the cart guide member 6, it is assembled as shown in FIG. 3 and fixed to the bottom of the circuit breaker chambers 23A, 23B, and 23C of FIG. The preparation for mounting the carriage 3 is completed. Then, while assembling members such as other various devices constituting the switchboard 1, the assembly is completed by mounting the carriage 3. The carriage 3 is in the position shown in FIG. 1 in a normal use state, and the interlock pin 41 is locked to the through hole 42a and fixed at the connection position. When the carriage 3 is pulled out to the left in FIG. 1 due to maintenance or the like, it is locked by engaging the interlock pin 41 with the through-hole 42b and fixed at the pull-out position.

上記のように実施の形態1によれば、開閉機器が搭載された台車3の車輪31が走行する走行部51と、この走行部51から突出された位置に設けられ台車3を固定するインターロック機構の係止部42とを板材から一体に折曲形成するようにしたので、係止部42を他の部材で別途形成し、あるいは取り付けたりする必要がなくなるので、部品点数を減らすことが可能となる。このため、組立の工数が減り、製品製作のコストを削減することが可能となる。また、組立工数が減ることで生産工程でのエネルギー使用量の削減による環境負荷軽減にも寄与する。なお、上記凸部52の断面形状は、コ字形状に限定されるものではなく、例えば台形状などその他の形状でも差し支えない。   As described above, according to the first embodiment, the traveling unit 51 on which the wheel 31 of the carriage 3 on which the opening / closing device is mounted travels, and the interlock that is provided at a position protruding from the traveling unit 51 and fixes the carriage 3. Since the locking portion 42 of the mechanism is integrally bent from the plate material, it is not necessary to separately form or attach the locking portion 42 with another member, so the number of parts can be reduced. It becomes. For this reason, the number of assembling steps can be reduced, and the cost of product production can be reduced. In addition, the reduction in assembly man-hours also contributes to reducing the environmental burden by reducing the amount of energy used in the production process. The cross-sectional shape of the convex portion 52 is not limited to the U-shape, and other shapes such as a trapezoidal shape may be used.

実施の形態2.
次に、この発明の実施の形態2に係る配電盤について図4を参照して説明する。図において、床板5の走行部51の左右外側各端部には該走行部51の外側端部を上方に折曲して形成された台車ガイド部53がそれぞれ一体的に設けられている。なお、中央部に凸部52、及び貫通孔42a、42bが設けられている点、並びにその他は上記実施の形態1と同様である。
Embodiment 2. FIG.
Next, a switchboard according to Embodiment 2 of the present invention will be described with reference to FIG. In the figure, a cart guide portion 53 formed integrally by bending the outer end portion of the traveling portion 51 upward is integrally provided at each of the left and right outer end portions of the traveling portion 51 of the floor board 5. In addition, the point which the convex part 52 and the through-holes 42a and 42b are provided in the center part, and others are the same as that of the said Embodiment 1. FIG.

上記のように構成された実施の形態2においては、図4に示すような走行部51、凸部52、台車ガイド部53、及び貫通孔42a、42bが設けられた床板5は、板材からプレス成形により容易に得ることができる。
このように実施の形態2によれば、台車ガイド部53を走行部51、凸部52と一体に構成したことで、部品の点数を実施の形態1の場合よりも更に減らし、かつ組立作業も減らすことができる。このため、組立工数がさらに減り、製品製作のコストを一層削減することができる。
In the second embodiment configured as described above, the floor plate 5 provided with the traveling portion 51, the convex portion 52, the carriage guide portion 53, and the through holes 42a and 42b as shown in FIG. 4 is pressed from the plate material. It can be easily obtained by molding.
As described above, according to the second embodiment, the carriage guide portion 53 is integrally formed with the traveling portion 51 and the convex portion 52, so that the number of parts is further reduced as compared with the case of the first embodiment, and the assembling work is also performed. Can be reduced. For this reason, the number of assembling steps can be further reduced, and the production cost can be further reduced.

なお、上記実施の形態1、2では、床板5を板材からプレス加工によって形成した場合について説明したが、形成方法は必ずしもプレス加工に限定されるものではない。また、遮断器室23を上下に3段設けたものを例示したが、遮断器室23の数や配置、遮断機器の数は実施の形態のものに限定されるものではない。また、係止部42が、凸部52と、その凸部52の上部に設けられたインターロックピン41を係止する貫通孔42a、42bから構成されている場合について説明したが、係止部42、またはインターロック機構4は要するに台車3を所定位置で固定できるものであればよい。例えば、貫通孔42a、42bは、インターロックピン41を係止し得る凹所、突部、突起、突片や切欠きなどでも差し支えない。更にはインターロック機構4としては、例えば凸部52の側にインターロックピンを設置して係止部42とし、台車3の側にそのインターロックピンと係合する手段を設け、台車3を所定位置に固定するようにすることもできる。   In the first and second embodiments, the case where the floor plate 5 is formed from a plate material by pressing is described. However, the forming method is not necessarily limited to pressing. Moreover, although the thing which provided the circuit breaker chamber 23 in three steps up and down was illustrated, the number and arrangement | positioning of the circuit breaker chamber 23 and the number of circuit breakers are not limited to the thing of embodiment. Moreover, although the latching | locking part 42 demonstrated the case where it was comprised from the through-hole 42a, 42b which latches the interlock pin 41 provided in the upper part of the convex part 52, the latching | locking part 42 or the interlock mechanism 4 may be anything that can fix the carriage 3 at a predetermined position. For example, the through holes 42a and 42b may be recesses, protrusions, protrusions, protrusions, or notches that can lock the interlock pin 41. Further, as the interlock mechanism 4, for example, an interlock pin is provided on the convex portion 52 side to form a locking portion 42, and a means for engaging the interlock pin is provided on the cart 3 side. It can also be fixed to.

1 配電盤、 2 筐体、 21 仕切り壁、 22 母線室、 23(23A、23B、23C) 遮断器室、 3 台車、 31 車輪、 4 インターロック機構、 41 インターロックピン、 42 係止部、 42a、42b 貫通孔、 43 保持部材、 5 床板、 51 走行部、 52 凸部、 53 台車ガイド部、 6 台車ガイド部材、 7 固定手段。   DESCRIPTION OF SYMBOLS 1 Switchboard, 2 Housing | casing, 21 Partition wall, 22 Busbar room, 23 (23A, 23B, 23C) Circuit breaker room, 3 trolley | bogie, 31 Wheel, 4 Interlock mechanism, 41 Interlock pin, 42 Locking part, 42a, 42b through-hole, 43 holding member, 5 floor board, 51 running part, 52 convex part, 53 carriage guide part, 6 carriage guide member, 7 fixing means.

Claims (4)

筐体の内部に、開閉機器が搭載された台車と、この台車が走行する床板を備え、上記床板は、上記台車の走行部と、この走行部から突出された位置に設けられた上記台車を固定するインターロック機構を構成する係止部とが一体に形成されてなることを特徴とする配電盤。   Provided inside the housing is a carriage mounted with an opening / closing device and a floor board on which the carriage travels, and the floor board includes a traveling part of the carriage and the carriage provided at a position protruding from the traveling part. A switchboard comprising a locking portion constituting an interlock mechanism to be fixed and formed integrally. 上記床板は、上記台車の走行方向から見て、上記走行部が左側部及び右側部に形成され、これら左側部及び右側部の間に上方に突出された凸部が形成されてなることを特徴とする請求項1記載の配電盤。   The floor plate has the traveling portion formed on the left side and the right side as viewed from the traveling direction of the carriage, and a convex portion protruding upward is formed between the left side and the right side. The switchboard according to claim 1. 上記係止部は、上記凸部とその凸部の上面部に設けられた複数の貫通孔を用いてなることを特徴とする請求項2記載の配電盤。   The switchboard according to claim 2, wherein the locking portion is formed by using the convex portion and a plurality of through holes provided in an upper surface portion of the convex portion. 上記台車の走行方向から見て、上記走行部の左側部の左端部、及び上記走行部の右側部の右端部に、それぞれ上記台車の車輪をガイドする台車ガイド部が一体に折曲形成されていることを特徴とする請求項1から請求項3の何れかに記載の配電盤。   When viewed from the traveling direction of the carriage, a carriage guide portion for guiding the wheels of the carriage is integrally bent at the left end portion of the left portion of the traveling portion and the right end portion of the right portion of the traveling portion, respectively. The switchboard according to any one of claims 1 to 3, wherein the switchboard is provided.
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013128334A (en) * 2011-12-16 2013-06-27 Hitachi Industrial Equipment Systems Co Ltd Inverter control board
JP2015211513A (en) * 2014-04-25 2015-11-24 三菱電機株式会社 Distribution board
CN114123006A (en) * 2022-01-25 2022-03-01 山东万海电气科技有限公司 Drawer type low-voltage switch cabinet with locking mechanism

Citations (2)

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JP2015211513A (en) * 2014-04-25 2015-11-24 三菱電機株式会社 Distribution board
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